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Exploration of Contaminated Sites Using New Technologies Based on the Cone Penetration Test (CPT)

Abstract:

The complexity of the underground system led to the establishment of a number of scientific geo-disciplines in the past. Each of these disciplines focuses on a specific property of the ground. Description of the underground system with one property value might lead to misinterpretation of the results. Geo-scientific multidisciplinarity seems to be the only solution. Many examples show, that combining different geo-disciplines increases the precision and correctness of sub terrestrial surveys. This project incorporates widely known geotechnical technology via the Cone Penetration Test (CPT) and highly developed geophysical methods like Electrical Resistivity Tomography (ERT) and Ground Penetrating Radar (GPR). It also involves geochemical probes to consider the chemical aspects of the underground system. The important innovation of this project is the combination of the "Direct Methods" used to determine geochemical and geotechnical parameters and the "Indirect Methods" for detecting geophysical anomalies. It enables a precise three-dimensional description of the subsurface and, additionally, this can be extended to a fourth dimension.

Authors:

Wotschke, Peter and Hermanns Stengele, Rita

Index Terms:

Soil; CPT; contaminated sites; SoilGroup; ClayGroup; Hermanns Stengele, Rita; Wotschke, Peter

Further Information:

Date published: 31.05.2002